In German, the name Alonso means - Variant of Alphonso: From Old German Adalfuns meaning noble-ready. Common in Spain since the 7th century.. Other origins for the name Alonso include - German, Spanish, Italian, Spanish.The name Alonso is most often used as a boy name or male name.

German Name Meaning - Variant of Alphonso: From Old German Adalfuns meaning noble-ready. Common in Spain since the 7th century.